Final Exam Review

Simplify the expression

• 6a⁵b³√6b

• 2a⁵b³√54b

• 3a⁵b³

• 6√2a¹⁰b⁷

√36x³y⁴

• 6y²x√x
• 3y²√2x
• 3y√x
• 6x√3y

 Given f(x)= x² + 25 and g(x)= x - 5, find     (f+g)(x). 

• x² + x - 20
• x² + x + 20
• -x² + x - 20
• x² - x - 20

Given f(x) = 2x and
g(x) = x²+3 , find f(g(x)).

• x²+2x+3
• 4x²+3
• 2x²+3
• 2x²+6

Which one is the same as fοg(x)

• g(f(x))

• f(g(x))